How the hell do they get 7+ Mbytes/sec when they are plugged into the Denise socket? I guess they are doing absolutely nothing else?
Perhaps I do not understand the bus architecture of the Amiga but I would imagine that they are constrained by everything else happening on the chip-ram bus? Does the Denise register interface live on a separate bus?
I imagine the author of the P96 UAEGFX plugin knows enough about the design of a Picasso96 RTG driver to give help on constructing a new one. Toni Wilen?